例句與造句

1. 1 : 250000 terrain map data - base is the important achievement of the martial mapping project in the ninth five period and it make important role in the campaign training
   1 : 25萬地形圖數(shù)據(jù)庫是“九五”期間軍事測繪數(shù)字信息工程建設的一項重要成果，已經(jīng)在部隊作戰(zhàn)訓練中開始發(fā)揮積極的作用。
2. But most of it ' s data is collected in the eighty - decade , it is too old for the practical use today . the paper discuss the essential and the possibility of the using the space remote sensing imagery refresh the 1 : 250000 terrain map data - base
   但是，由于其建庫普遍采用的是80年代地形圖資料，成圖時間較早，數(shù)據(jù)庫數(shù)據(jù)現(xiàn)勢性差已成為制約其在軍事上應用的關(guān)鍵問題。
3. It's difficult to find mapping data-base in a sentence. 用mapping data-base造句挺難的